运用文献资料和数理统计等方法,对参加第十一届全运会男篮决赛阶段144名运动员的年龄结构、攻守效能进行统计分析。结果表明：运动员年龄结构极不合理,比例失调,22岁以下运动员占总数的53.5%,29岁以上运动员仅占总人数的12.5%;运动员平均每场上场时间分别为23～28岁年龄段21min2s、29岁以上17min54s、22岁以下14min19s,三者差距明显。%This essay analyzes the age structure,offensive performance and defensive performance of 144 players participate in men＇s basketball final stage of the 11th National Games by the methods of literature,mathematical statistics.The followings are results： players＇ age structure is extremely unreasonable.Under 22 age group and over 29 age group account for 53.5% and 12.5% respectively;players＇ playing time in each game are obviously different： 23～28 age group plays 21min2s,over 29 age group plays 17min54s,under 22 age group plays 14min19s.
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